Tuesday, April 4, 2017

JavaScript Quiz

W3Schools JavaScript Quiz

JavaScript QUIZPoints: 21 out of 25
1. Inside which HTML element do we put the JavaScript?
You answered:
<script>
 Correct Answer!
2. What is the correct JavaScript syntax to change the content of the HTML element below?


<p id="demo">This is a demonstration.</p>
You answered:
document.getElementById("demo").innerHTML = "Hello World!";
 Correct Answer!
3. Where is the correct place to insert a JavaScript?
You answered:
Both the <head> section and the <body> section are correct
 Correct Answer!
4. What is the correct syntax for referring to an external script called "xxx.js"?
You answered:
<script src="xxx.js">
 Correct Answer!
5. The external JavaScript file must contain the <script> tag.
You answered:
False
 Correct Answer!
6. How do you write "Hello World" in an alert box?
You answered:
alert("Hello World");
 Correct Answer!
7. How do you create a function in JavaScript?
You answered:
function myFunction()
 Correct Answer!
8. How do you call a function named "myFunction"?
You answered:
myFunction()
 Correct Answer!
9. How to write an IF statement in JavaScript?
You answered:
if (i == 5)
 Correct Answer!
10. How to write an IF statement for executing some code if "i" is NOT equal to 5?
You answered:
if (i != 5)
 Correct Answer!
11. How does a WHILE loop start?
You answered:
while (i <= 10)
 Correct Answer!
12. How does a FOR loop start?
You answered:
for (i = 0; i <= 5; i++)
 Correct Answer!
13. How can you add a comment in a JavaScript?
You answered:
//This is a comment
 Correct Answer!
14. How to insert a comment that has more than one line?
You answered:
/*This comment has
more than one line*/
 Correct Answer!
15. What is the correct way to write a JavaScript array?
You answered:
 Wrong Answer!
16. How do you round the number 7.25, to the nearest integer?
You answered:
Math.round(7.25)
 Correct Answer!
17. How do you find the number with the highest value of x and y?
You answered:
Math.max(x, y)
 Correct Answer!
18. What is the correct JavaScript syntax for opening a new window called "w2" ?
You answered:
w2 = window.new("http://www.w3schools.com");
 Wrong Answer!
19. JavaScript is the same as Java.
You answered:
True
 Wrong Answer!
20. How can you detect the client's browser name?
You answered:
browser.name
 Wrong Answer!
21. Which event occurs when the user clicks on an HTML element?
You answered:
onclick
 Correct Answer!
22. How do you declare a JavaScript variable?
You answered:
var carName;
 Correct Answer!
23. Which operator is used to assign a value to a variable?
You answered:
=
 Correct Answer!
24. What will the following code return: Boolean(10 > 9)
You answered:
true
 Correct Answer!
25. Is JavaScript case-sensitive?
You answered:
Yes
 Correct Answer!

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